167 Years Ago Today, Big Ben First Rang — And the Sound the World Knows Is the Sound of a Cracked Bell — Woody Magazine, Jul. 11, 2026
167 Years Ago Today, Big Ben First Rang — And the Sound the World Knows Is the Sound of a Cracked Bell
London's most famous landmark isn't loved for being flawless. Its first strike on July 11, 1859, the crack that followed two months later, and the decision never to fix it are what shaped the tone we hear today.
On July 11, 1859, a 13.7-tonne bell rang out for the first time from the belfry of the new Palace of Westminster. That was exactly 167 years ago today. Londoners cheered its low, heavy note. Two months later, the bell cracked.
Had the story ended there, Big Ben would be remembered as a failed public works project. Instead, the "Big Ben sound" we hear in film openings, on BBC radio, at New Year's countdowns — is the sound of that cracked bell. The fracture is still there today. The most famous bell tone in the world is not the sound of a finished object. It is the sound of a flaw.
Big Ben is not the tower
First, a correction that most people need. The clock tower you know from postcards is not Big Ben. The tower's name is Elizabeth Tower. It was called simply the Clock Tower until 2012, when it was renamed for the Diamond Jubilee of Queen Elizabeth II. Big Ben is the nickname of the Great Bell hanging in the belfry at the top of that tower — 2.2 metres tall, 2.7 metres across, 13.7 tonnes. The name most likely comes from Sir Benjamin Hall, the official who oversaw public works when the bell was cast; his name is inscribed on it.
So when a tourist says "I saw Big Ben," the photo they brought home is really Elizabeth Tower, not the bell. Big Ben itself sits inside the belfry, out of sight from the ground. It announces itself by sound instead. And what that sound actually is — that is the real subject here.
A bell that cracked twice
Getting Big Ben made was troubled from the start. The first bell was cast in 1856 by Warners, near Stockton-on-Tees in the north of England. It weighed roughly 16 tonnes. It was brought to London by rail and sea, but because the tower wasn't finished, it was hung in the palace yard and struck for testing over and over. In October 1857, a 1.2-metre crack appeared. It cracked before it ever reached the tower.
Blame flew. Edmund Beckett Denison — a lawyer and amateur horologist who designed the clock — pointed to a bad casting; the foundry countered that Denison had insisted on a hammer far heavier than specified. No verdict settled it. The bell was broken up anyway, and as it was smashed apart, a flaw in the metal near the origin of the crack came to light, tangling the argument further.
The second bell was cast on April 10, 1858, at the Whitechapel Bell Foundry in London's East End, using the melted-down metal of the first. It was 2.5 tonnes lighter — 13.7 tonnes. A cart drawn by sixteen horses carried it through cheering crowds to Westminster, and because its diameter was wider than the tower's vertical shaft, it was turned on its side and hauled 61 metres up to the belfry. On July 11, 1859, it finally rang London's first hour.
It lasted two months. That September, the second bell cracked too. According to George Mears, the manager of the Whitechapel foundry, Denison had once again used a hammer more than twice the specified maximum. The same man, the same way, cracked the second bell as well.
Living with the flaw instead of fixing it
The obvious question: why not cast a third bell? Not because they couldn't, but because they chose not to. Lowering, smashing, remelting, and re-hoisting a 13.7-tonne bell was something they had already been through once. With the cost, the delay, and the distrust of yet another failure all piled up, the Astronomer Royal, George Airy, offered a different answer. Don't repair the bell — let it work while cracked.
The prescription had three parts: rotate the bell 90 degrees (sources vary — some say an eighth of a turn; the figure here follows Parliament's own record) so the hammer struck an uncracked face, swap in a lighter hammer, and drill into the ends of the crack so it couldn't spread. That last step carries a principle still used in aircraft maintenance today. The force that drives a crack forward concentrates at its sharp tip — like a needle, all the stress gathers at a single point. Drill a round hole at that tip and the sharpness disappears; the force scatters across the broad curve of the hole, and the crack can advance no further. They didn't heal the wound. They blunted the path it would have travelled. In practice, the work on Big Ben took the form of a small square chipped out around the crack — but the reason it worked comes back to the same principle: it dulled the sharp tip, erasing the point where force would gather.
The fix took effect in 1863. Until then Big Ben stayed silent for about four years, and the largest of the four quarter bells — the smaller bells that chime every fifteen minutes — struck the hour in its place. The crack and the mark left by the drilling are still on the bell today.
The voice the crack made
And this compromise produced something no one intended. A perfect bell is symmetrical: strike any face and an even vibration spreads out. Because of the crack and the drilled ends, Big Ben is not perfectly symmetrical. So a single strike sets off several slightly mismatched vibrations at once, and the sound swells and fades in a distinctive waver. When acousticians analysed it, the single "bong" we hear turned out to be layers of vibration at different frequencies stacked together. Research from the University of Leicester featured in a BBC documentary on the subject.
Here's an analogy. If a sound bell is a broadcaster with flawless diction, Big Ben is a singer with a slight rasp in the voice. Its pitch sits fractionally off an E, and the tail of each note trembles unevenly. Yet the singer you recognise from the voice alone is exactly that kind of singer. Since the BBC first broadcast Big Ben's strikes on New Year's Eve 1923, this sound has been Britain's audio signature. The "voice of Britain" imprinted on the world by broadcast is, in other words, the voice of a crack.
The paradox sharpened most recently. From August 2017, Elizabeth Tower entered its largest-ever conservation, and the bill swelled to £80 million. Crews dismantled and cleaned the clock, restored the stonework, even found and repaired Second World War bomb damage. When the bell returned to regular service on Remembrance Sunday, November 13, 2022, one thing had been left untouched: the crack. In a restoration costing close to £80 million, the crack was not something to repair but something to preserve. Fix it, and Big Ben becomes a more accurate bell — but no longer the sound of Big Ben.
That first strike 167 years ago today is therefore a double anniversary. The day the world's most famous sound was born, and the day it was fated to fail two months later. And because they chose to embrace that failure rather than erase it, it is the day a failure began to become an identity.
- Source ↗ UK Parliament — Constructing the most accurate clock in the world
- Source ↗ UK Parliament — A brief history of Big Ben and Elizabeth Tower
- Source ↗ CNN — Big Ben Fast Facts
- Source ↗ Prospect Magazine — Why the sound of Big Ben resonates in British culture
- Source ↗ Grace's Guide — Big Ben
- Source ↗ The History Press — The recasting of Big Ben
- Source ↗ Wikipedia — Big Ben
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